Formulas- Econ exam 2
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Last updated 1:25 PM on 3/25/26
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9 Terms
1
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inflation rate
(price level this year - price level last year)/ price level last year x 100
2
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present value (discounting)
FV/(1+r)^n
3
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GDP deflator
nominal GDP/real GDP x 100
4
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MPC
change in consumption/change in income x 100
5
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future value (compounding)
PV (1+r)^t
6
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economic growth rate
GDP current - GDP previous/ GDP previous x 100
7
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real interest rate
nominal interest rate - inflation rate
8
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todays dollards
another times dollars x (CPI today/CPI another)
9
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present value of stream payments (w depreciation)
PV = next years profit/ r+d
